Lowell, Massachusetts

Lowell population, 2020 to 2024

Lowell added 4,584 residents from July 2020 to July 2024, a change of +4.0%. In the latest year it moved by +1,265. Among 58 Massachusetts places of 5,000 or more, that growth ranks 12th; the median place changed by +1.2%. The median place of 5,000+ in Massachusetts has 44,052 people, so Lowell is 2.7 times that size.

Lowell covers 13.61 square miles of land and 0.92 of water, for 8,848 people per square mile of land. The median Massachusetts place of 5,000+ has 2,852, so Lowell is denser than the typical town.

What county Lowell is in

All of Lowell's residents live in Middlesex County, which had 1,668,956 residents in 2024. Lowell holds 7.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lowell

4 ZIP Code Tabulation Areas (ZCTAs) overlap Lowell by at least 10% of the ZCTA's or the city's land: 01850, 01851, 01852, 01854. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lowell is

The Census internal point of Lowell is at 42.639000, -71.321000. Boston, the capital, is 23.4 miles SE in a straight line. The nearest larger place is Cambridge, MA (121,186 people), 20.9 miles away. The ground at the internal point is about 32 m (105 ft) above sea level.

Daylight in Lowell

At 42.64° N, Lowell gets about 15 h 19 min of daylight around the June solstice and 9 h 03 min around the December solstice, a swing of 6 h 16 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Lowell daylight page.

Places near Lowell

The eight nearest incorporated places of 1,000+ in Massachusetts, measured between internal points. The closest is Lawrence, 9.1 miles away, with 89,332 people.